Attachment for inking-roller mechanism, of printing-presses.



N0. 7|4,045. Patented Nov. I8, i902.

S. H. SHAW. ATTACHMENT FOR INKING ROLLER MECHANISM OF PRINTING PRESSES. (Application'filed July 25, 1902.) (No Model.) 2 SheetsSheet L m: Nomus wzrzas cu PMDTO-MTHDWYVASHMGTON. 04 c.

No. 714,045. Pafented Nov. is, 1902. s. n. SHAW.

ATTACHMENT FOR I NKING ROLLER MECHANISM OF PRINTING PRESSES.

(Application filed July 25, 1902.) (No Model.) 2 Sheets$heet 2.

UNITED STATES FFICE.

SAMUEL H. SHATV, OF PHILADELPHIA, PENNSYLVANIA, ASSIGNOR-TO SHATV. MANUFACTURING COMPANY, OF EASTON, PENNSYLVANIA, "A CORPORATION OF PENNSYLVANIA.

ATTACHMENT FOR lNKlNG-ROLLER MECHANISM OF PRINTING-PRESSES.

SPECIFICATIONformingpart of Letters Patent No. 714,045, dated November 18, 1902.

Application filed July 25,1902- Serial No. 116,990. (No model.)

To all whom, it may concern:

Be it known that I, SAMUEL H. SHAW, a citizen of the United States, residing in Philadelphia, Pennsylvania, have invented a certain Attachment for Liking-Roller Mechan ism of Printing-Presses, of which the following is a specification.

My invention consists of certain improvements in the inking devices for printingpresses for which Letters Patent No. 663,790 were granted to myself and William G. Toplis on the llth day of December, 1900, the objects of my present invention being to provide a firm and positive bearing for the truck; roller upon the rail or track both when the I attain in the manner hereinafter set forth,

reference being had to the accompanying drawings, in 'which Figure l is a view, partly in longitudinal section and partly in elevation, of an inkingroller provided with mechanism in accordance with my invention for rendering it operative or inoperative, the roller being ill ustrated as occupying a position in which it is operative in respect to the type-form. Fig. 2 is a similar view showing the inking-roller elevated or moved out of operative relation with the type-form. Fig. 3 is a transverse section on the line a a, Fig. 1. Fig. 4 is a transverse section on the line b b, Fig. 2. Fig. 5 is a transverse section on the line 0 c, Fig. 2. Figs. 6 and 7 are respectively a side view and a perspective view illustrating another form of the removable stop constituting one of the features of my invention. Fig. 8 is a sectional view of another form of rollertruck mounting. Fig. 9 is a sectional view illustrating a special form of stop for the truck-mounting. Fig. 10 is a face View of Fig. 9 looking in the direction of the arrow. Fig. 11 is a sectional view illustrating a simplcr embodiment of my invention than those shown in the other views. Fig. 12 is a transverse section on the line d d, Fig. 11. Fig. 13 is a sectional view illustrating a combined eccentric mounting and clutch for the rollertruck constituting one of the features of my invention; and Fig. 14 is a transverse section on the line 6 c, Fig. 13.

The invention forming the subject of the Letters Patent before referred to had for its object the movement of the inking-roller of ajob-printing press into and out of operative relation with the face of the typeform, so that in traveling over said form in one direc- Lion the inking-roller could be held out of contact with the same, and thereby caused to apply ink to the form only while moving over it in the opposite direction, whereby of a series of inking-rollers in the press some might apply ink to the form while being carried downwardlyover the face of the same and others while being carried upwardly over the face.

The movement of the inking-rollers into and out of operative position was effected by means of cams having a clutch connection with the roller-truck mounted on the inking-roller spindle and re nning in contact with the rail or track at each side of the printingform, and my present invention relates to'a modified and improved construction of the devices, whereby the movement of the inkingroller into and out of operative relation with the face of the type-form is effected.

In the drawings, 1 represents part of the inking-roller, and 2 the spindle carrying the same,said spindle having journals 3, whereby it is rotatably mounted in bearings carried by arms a or equivalent elements of the press to which such movement is imparted as is necessary to cause the inking-rollers 1 to move up and down across the face of the printing-form and across or into contact with the ink-disk cylinder or other ink-supplying device with which the press is equipped. Mounted upon the spindle 2 at each end is a roller-truck 5, which is norm ally adapted to run upon the rail 7alongside of the printing-form, this rollertruck being incapable of' rotation independently of the spindle 2. As showni'n Fig. 1, the locking of the roller-truck to the spindle is effected by means of a pin 6, which passes through the spindle and engages with notches 6, formed in a short hub which intervenes between the roller-truck and the end of the inking-roller. The roller-truck also has a long outer hub 8, and upon the-latter is mounted a sleeve 9, which is retained in position longitudinally on the hub in any suitable manner, the means adopted in the presentinstance being a split ring 10, which is adapted to a groove in the hub 8 and overlaps and bears against the outer end of the sleeve 9.

The sleeve 9 has a portion 9, whose outer face is eccentric in respect to the spindle 2, and upon this eccentric face of the sleeve is mounted a supplementary roller-truck 11, which is by preference provided with a clutch, whereby it is confined to the sleeve when rotating in one direction, but can turn freely on the sleeve when rotating in the other direction.

That form of clutch shown in the drawings comprises a ball12, contained within a tapering or wedge-shaped slot 13 in the eccentric periphery of the sleeve 9 and acted upon by a spring 14, tending to move it constantly forward into the contracted portion of the slot, the result of this construction being that when the supplementary roller truck 11 moves in the direction of the arrow, Fig. 5, it will be clutched to the eccentric portion 9 of the sleeve and when moved in the opposite direction will be free from connection therewith.

A disk 15 is secured to the sleeve 9 and bears against the outer face of the roller-truck 11, this disk having peripheral portions 16 and 17, the portions 16 being concentric with the eccentric portion 9 of the sleeve and of slightly-greater diameterthan the roller-truck 11 and the portions 17 being flattened or cut away, so as to be of slightly-less diameter than the roller-truck 11, as shown in Figs. 3 and 4.

Projecting from the outer face of the sleeve 9 is a pin 18, and secured to the hearing which carries the spindle 3 of the inking-roller is a yoke 19, which partially embraces the hub 8 of the roller-truck 5, whereby the projecting ends of said yoke serve as stops which by contact with the pin 18 determine the extent of partial rotation'of which the sleeve 9 is susceptible, the extremes of this movement being represented in Figs. 3 and 4.

The stop-yoke shown in Figs. 1 to 4 has lugs 20, which are adapted to recesses in the spindle-bearing, one of said lugs 20 carrying a clamp-screw 21,Whereby the yoke is secured in position, this construction providing the necessary stops for the pin 18 without any change in the ordinary structure of the press.

In that type of press in which the bearing for the spindle 3 is formed in a hooked rod, such as shown at 22 in Fig. 6, I prefer to em ploy a yoke consisting of a bent bar 23, having at its opposite ends projecting lugs 24: for engagement with the pin 18, one of these stoplugs being so formed as to partially embrace the rod 22, which is also engaged by a jaw 25, the latter being secured to the yoke 23 by means of a clamp-screw 26.

The parts occupy the position shown in Figs. 2 and 4 during the time that the inking-roller is held out of contact with the type-form, the eccentric-sleeve 9 being at that time so adjusted as to bring the supplementary rollertruck 11 into contact with the rail or track 7 and lift the main roller-truck 5 out of contact therewith, a flattened portion 17 of the disk 15 being adjacent to the rail 7. As soon, however, as the inking-roller carriage begins to rise or move in the direction of the arrow 10, Fig. 4, the roller-truck 11, turning in the direction of the arrow, Fig. 5, causes like movement of the eccentric-sleeve 9, because of the clutch connection between the two, and as soon as the disk 15 has been turned so as to bring one of its portions 16 into contact with the rail 7 the said disk serves as the driving element and continues as such until the eccentric-sleeve has received a half-turn, the effect of which is to raise the supplementary roller-truck 11 out of contact with the rail 7, lower the roller-truck 5 into contact with the same, as shown in Figs. 1 and 3, and bring the inking-roller into contact with the face of the type -form, where it continues during the upward movement of the inkingroller carriage. This movement of the main truck-rollers 5 into contact with the rails 7 is effected quickly-that is to say, within half a turn of the roller 11. Hence the inking-roller is quickly put into action and is rotating at its normal speed when it comes into contact with the type-form, thus preventing blurring of the outer portions of the form which might arise if the surface of the inkingroller was not moving at the proper rate of speed when it began to apply ink to the form. When the inking-roller carriage reverses its direction of movement at the top of the press, as indicated by the arrow m in Fig. 3, the rotative movement of the inking-roll caused by its contact with the ink-supplying disk or cylinder is transmitted to the roller-truck 5, and the hub of the latter by frictional contact with the eccentric-sleeve 9 starts the movement of the latter in a direction the reverse of the arrow in Fig. 5, and as soon as a portion 16 of the disk 15 has been brought into contact with the rail 7 said disk again becomes the driving agent and completes the half-turn of the eccentric-sleeve necessary to lift the inking-roller and main roller-truck 5 out of action and bring the supplementary roller-truck 11 again into action, as before.

The use of the clutch 1213 14 may be dispensed with in some cases, and frictional contact between the roller-truck 11 and the eccentric-sleeve may be relied upon to start the movement of the said sleeve in the direction of the arrow, Fig. 5, when the inking-roller carriage starts to rise after completing its downward movement. For this reason the ICC stop-yoke 19 and stop-pin 18 are preferably disposed as shown in Fig. a in respect to the eccentric 9, so that a line drawn through the axis of the shaft 2 and through the highest portion of said eccentric will strike the rail 7 at a point below the bearing of the rollertruck 11 thereon, whereby the efiect both of gravity and the pull of the usual spring upon the bearing-arm 4 is to aid in turning the eccentric downward when the inking-roller carriage begins to rise. Friction alone may also be relied upon to effect turning of the eccentric-sleeve throughout its entire extent of motion, the disk being dispensed with; but the use of said disk is preferred.

In the construction shown in Fig. 8 the main roller-truck 5 and eccentric-sleeve 9 are mounted upon a sleeve 27, secured to the shaft 2, said sleeve taking the place of the hub 8 of the roller-truck shown in Fig. 1. By either construction, however, the eccentric 9 is provided with a bearing concentric with the axis of the inkingroller spindle irrespective of any lack of concentricity of the periphery of the spindle due to wear or other causes.

In the construction shown in Figs. 9 and 10 the eccentric sleeve 9 is permitted to have a certain amount of motion in excess of the movement of the stop-pin 18, so that the eccentric may have a full half-turn, although the stop-pin hasless-as, for instance, when it travels in the space within a hooked bearing of the character shown in Fig. 6. This result is effected by mounting the pin 18 upon a partsuch, for instance, as a ring or washer 28separate from the eccentricsleeve and providing the latter with supplementary stops 29, coacting with a stop 30 on said washer, as shown in Fig. 10, so that the movement permitted to the eccentric-sleeve 9 is the movement of thepin 18 between its stops plus the additional movement necessary to bring one of the pins 29 in contact with the pin 30. While I prefer in most cases to employ the supplementary roller-truck in connection with the main roller-truck, a single roller-truck only may be used in some cases, this truck being the equivalent of the truck 11 and being mounted upon the eccentric-sleeve 9, as shown in Fig. 11, said roller-truck turning the sleeve either by frictional contact therewith at each reversal of movement or by a clutch at one of said reversals. In these figures of the drawings I have also shown another form of excess-motion stop, comprising a sleeve 31, mounted on the sleeve 9 and having the projecting stop-pin 18 and also a segmental slot 32 for the reception of a pin projecting from said sleeve 9*, as shown in Fig. 12.

In Figs. 13 and 14: I have shown a mounting for the roller-truck 11, which combines the functions of an eccentric-bearing and a selfacting one-way clutch for said truck. In this case there is a sleeve 9 concentric with the axis of the inking-roller spindle, but the bore of the truck 11 is eccentric thereto, and between the two is interposed a series of balls or rollers 33, forward movement of which when the truck is turning in the direction of the arrow 3 is arrested by contact with a pin 34, projecting radially from the sleeve 9", the rollers or balls in this case constituting an eccentric-bearing for the truck. When said truck is turned in a direction the reverse of the arrow 3, the balls or rollers are jammed in the contracted throat between the sleeve 7 9 and the bore of the truck and act to clutch the two parts together. When the rollertruck 5 is running upon the rail 7, the truck 11 may also be in contact therewith and may turn freely on its eccentric-bearing in the absence of any clutch between the two.

Other modifications of minor details of my invention within .the scope of my broader claims will from what I have said readily suggest themselves to those skilled in the art to which my invention appertains.

Having thus described my invention, I claim and desire to secure by Letters Patent- 1. The combination of the inking-roller spindle of a printing-press, a roller-truck mounted thereon, a supplementary rollertruck, and an eccentric movable to a limited extent around the axis of the roller-spindle and serving to move said roller-trucks alternately into contact with the guide rail or track of the press, substantially as specified.

2. The combination of the inking-roller spindle of a printing-press, an eccentric movable toa limited extent around the axis of said spindle, a roller-truck mounted on Said eccentric, and a self-acting clutch interposed between said roller-truck and eccentric, substantially as specified.

3. The combination of the inking-roller spindle, a main roller-truck rotatable around the axis of said spindle, a supplementary roller-truck, and an eccentric movable to a limited extent around the axis of the inkingroller spindle and carrying said supplementary roller-truck, substantially as specified.

4. The combination of the inking-roller spindle, a main roller-truck, rotatable about the axis of said spindle, a supplementary roller-truck, an eccentric movable to a limited extent around the axis of the inking-roller spindle and carrying said supplementary roller-truck, and a self-acting clutch interposed between said supplementary truck and eccentric, substantially as specified.

5. The combination of the inking-roller spindle, an eccentric movable around the axis of said spindle, a roller-truck mounted on said eccentric, and stops for limiting the movement of the eccentric, said stops being so disposed that when the inking-roller carriage commences to rise the high point of the eccentric will be below a line drawn from the axis of the spindle through the point of con tact of the roller-truck with the rail or track, substantially as specified.

6. The combination of the inking-roller IIO spindle, a roller-truck rotatable about the axis of the spindle, an eccentric movable around the axis of said spindle, a supplementary roller-truck mounted on said eccentric, and stops for limiting the movement of the eccentric, said stops being so disposed that when the inking-roller carriage commences to rise the high point of the eccentric will be below a line drawn from the axis of the spindle through the point of contact of the supplementary roller-truck with the rail or track, substantially as specified.

7. The combination of the inking-roller spindle, an eccentric movable to a limited extent around the axis of said spindle, a rollertruck mounted upon said eccentric, and a disk secured to the eccentric and constructed to engage the truck rail or track, substantially as specified.

8. The combination of the inkingroller spindle, a rolle r-truck rotatable about the axis of the spindle, an eccentric movable to a limited extent around the axis of said spindle, a supplementary roller-truck mounted upon said eccentric, and a disk secured to the eccentric and constructed to engage the truck rail or track, substantially as specified.

9. The combination of the inking-roller spindle, an eccentric movable to a limited extent around the axis of said spindle, a roller-truck mounted upon said eccentric, and a disk secured to the eccentric and constructed to engage the truck rail or track, said disk having low portions which are free from contact with the track when the eccentric occupies either of its extreme positions, substantially as specified.

10. The combination of the inking-roller spindle, a roller-truck rotatable about the axis of the spindle, an eccentric movable to a limited extent around the axis of said spindle, a supplementary roller-truck mounted upon said eccentric, and a disk secured to the eccentric and constructed to engage the truck rail or track, said disk having low portions which are free from contact with the track when the eccentric occupies either of its extreme positions, substantially as specified.

11. The combination of the inking-roller spindle of aprinting-press, an eccentric movable around the axis of said spindle, a rollertruck mounted on said eccentric, a stop cooperating with certain stops on the press to limit its movement, and a lost-motion connection between said stop and the eccentric whereby the latter is permitted to turn to a greater extent than the said stop, substantially as specified.

12. The combination of the inking-roller spindle of a printing-press, a roller-truck rotatable about the axis of the spindle, an eccentric movable around the axis of said spindle, a supplementary roller-truck mounted on said eccentric, a stop cooperating with certain stops on the press to limit its movement, and a lost-motion connection between said stop and the eccentric whereby the latter is permitted to turn to a greater extent than the said stop, substantially as specified.

13. The combination of the inking-roller spindle, the eccentric movable around the axis of said spindle, a roller-truck mounted on said eccentric, and astop-y0ke detachably mounted upon the spindle-bearing, substantially as specified.

14. The combination of the inking-roller spindle, an eccentric movable toa limited extent around the axis of said spindle, a rollertruck mounted on said eccentric, and a sleeve surrounding the spindle and constituting the bearing for said eccentric, substantially as specified.

15. The combination of the inking-roller spindle, a roller-truck rotatable about -the axis of the spindle, an eccentric movable to a limited extent around the axis of said spindle, a supplementary roller-truck mounted on said eccentric, and a sleeve surrounding the spindle and constituting the bearing for said eccentric, substantially as specified.

16. The combination of the inking-roller spindle, an eccentric movable to a limited extent around the axis of said spindle, a main roller-truck rotatable around the axis of the spindle, asupplementary roller-truck mounted on the eccentric, and a sleeve surrounding the spindle and constituting the bearing for the eccentric, said sleeve forming an extended hub on the main roller-truck, substantially as specified.

17. The combination of the inking-roller spindle, a roller-truck having a bore eccentric in respect to the axis of said spindle, and rollers or calls constituting both an eccentricbearing for the said truck, and a self-acting clutch therefor, substantially as specified.

18. The combination of the inking-roller spindle, a roller-truck having a bore eccentric in respect to the axis of said spindle, a concentric sleeve surrounding the spindle, and balls or rollers interposed between said sleeve and the bore of the truck, and constituting both an eccentric-bearing and a selfacting clutch therefor, substantially as specified.

19. The combination of the inking-roller spindle, a roller-truck having a bore eccentric in respect to the axis of said spindle, rollers or balls interposed between the spindle, and the bore of the truck, and a stop for limiting the movement of said balls around the spindle in one direction, whereby they constitute both an eccentric-bearing for the truck, and a self-acting one-way clutch therefor, substantially as specified.

In testimony whereof I have signed my name to this specification in the presence of two subscribing witnesses.

SAMUEL H. SHAW.

W'itnesses:

' F. E. BEOHTOLD,

Jos. H. KLEIN. 

